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java.lang.Objectorg.apache.commons.vfs.provider.AbstractVfsComponent
org.apache.commons.vfs.cache.AbstractFilesCache
org.apache.commons.vfs.cache.NullFilesCache
public class NullFilesCache
A FilesCache
implementation.
This implementation never ever caches a single file.
Notice: if you use resolveFile(uri) multiple times with the same path, the system will always create a new instance. Changes on one instance of this file are not seen by the others.
Constructor Summary | |
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NullFilesCache()
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Method Summary | |
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void |
clear(FileSystem filesystem)
purge the entries corresponding to the filesystem. |
void |
close()
Closes the provider. |
FileObject |
getFile(FileSystem filesystem,
FileName name)
retrieve a file from the cache by its name. |
void |
putFile(FileObject file)
add a fileobject to the cache. |
void |
removeFile(FileSystem filesystem,
FileName name)
removes a file from cache. |
void |
touchFile(FileObject file)
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Methods inherited from class org.apache.commons.vfs.provider.AbstractVfsComponent |
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getContext, getLogger, init, setContext, setLogger |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public NullFilesCache()
Method Detail |
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public void putFile(FileObject file)
FilesCache
file
- the filepublic FileObject getFile(FileSystem filesystem, FileName name)
FilesCache
filesystem
- The FileSystem.name
- the name
public void clear(FileSystem filesystem)
FilesCache
filesystem
- The FileSystem.public void close()
AbstractVfsComponent
close
in interface FilesCache
close
in interface VfsComponent
close
in class AbstractVfsComponent
public void removeFile(FileSystem filesystem, FileName name)
FilesCache
filesystem
- filesystemname
- filenamepublic void touchFile(FileObject file)
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